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Species limits in the Elegant pitta (pitta elegans) complex from Wallacea based on bioacoustic and morphometric analysis

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Avian Research 2020年第4期11卷 421-432页

作者： Arya Y.Yue Elize Y.X.Ng James A.Eaton Frank E.Rheindt Bryn Mawr College Department of Biology101 N Merion AveBryn MawrPA 19010USA Department of Biological Sciences National University of Singapore16 Science Drive 4Singapore 117558Singapore A-3A-5 Casa Indah IPersiaran Surian47810 Petaling JayaMalaysia

Background:The Elegant pitta(pitta elegans)complex displays a remarkable diversity of morphological and bioacoustic traits across five taxa currently recognized as *** differ in plumage characteristics(such as red versus black belly patches;supercilium color and extent;and white versus black throats),in lifestyle(resident versus migratory)and in *** investigated the morphological,bioacoustic and ecological differences across all taxa after recent studies demostrated the importance of these traits in recognizing biological species limits across ***:Morphometric analysis was carried out by measuring tarsus,wing,tail and bill lengths of 15 specimens at the Natural History Museum,UK,and plumages were inspected across 106 unique individuals from four different *** analysis was based on 134 range-wide sound *** types of calls,territorial calls and alarm calls,were analyzed using different sets of *** component analysis and the Isler Criterion were applied to the *** trials were conducted to explore the levels of response of each taxon to the call types of the other ***:The territorial call of concinna exhibits a distinct two-element motif,while elegans,maria and virginalis utter a three-element motif in which the first two elements are given in quick *** the other hand,vigorsii,produces both two-element and three-element motifs with longer breaks in between *** further corroborated by the playback trials,the three taxa elegans,virginalis and maria form a tight vocal cluster,whereas each concinna and vigorsii are *** alarm call turned out to be less diagnostic even though most taxa did roughly separate into different vocal *** analysis failed to produce strong differences,but plumage distinctions among multiple taxa are ***:We suggest splitting the Elegant pitta into three biological species based on

关键词： Bioacoustic analysis Elegant pitta Morphometric analysis pitta elegans Territorial calls

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